Abstract
A review of both the theoretical and experimental data connected with the vorticity in the magnetospheric plasma and on its signatures in the auroral dynamics is presented. It is shown that the observed characteristics of the motion of auroral forms allow one to determine the distribution of the electric field and field-aligned currents in the magnetosphere; the shape of auroral vortices and their power spectra carry information on the nature of the MHD instabilities responsible for the excitation of the observed turbulence.
The complex of experimental data necessary for a confident description of the electrodynamic state of the magnetosphere is discussed.
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Pudovkin, M.I., Steen, A. & Brändström, U. VORTICITY IN THE MAGNETOSPHERIC PLASMA AND ITS SIGNATURES IN THE AURORA DYNAMICS. Space Science Reviews 80, 411–444 (1997). https://doi.org/10.1023/A:1004916808514
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DOI: https://doi.org/10.1023/A:1004916808514